Kenwood TK-3107 PARTS LIST 2

ADJUSTMENT / 调整

Required Test Equipment

1. Stabilized Power supply

1. The supply voltage can be changed between 5V and 18V, and the current is 3A or more.

2. The standard voltage is 7.5V.

2. DC Ammeter

1. Class 1 ammeter (17 ranges and other features).

2. The full scale can be set to either 300mA or 3A.

3. A cable of less internal loss must be used.

3. Frequency Counter (f. counter)

1. Frequencies of up to 1GHz or so can be measured.

2. The sensitivity can be changed to 500MHz or below, and measurements are highly stable and accurate (0.2ppm or so).

4. Power Meter

1. Measurable frequency : Up to 500MHz

2. Impedance : 50 , unbalanced

3. Measuring range : Full scale of 10W or so

4. A standard cable (5D2W 1m) must be used.

5. RF Voltmeter (RF V.M)

1. Measurable frequency : Up to 500MHz or so.

6. Linear Detector

1. Measurable frequency : Up to 500MHz or so

2. Characteristics are flat, and CN is 60dB or more.

7. Digital Voltmeter

1. Voltage range : FS=18V or so

2. Input resistance : 1M

8. Oscilloscope

1. Measuring range : DC to 30MHz

2. Provides highly accurate measurements for 5 to 25MHz.

9. AF Voltmeter (AF V.M)

1. Measurable frequency : 50Hz to 1MHz

2. Maximum sensitivity : 1mV or more

10. Spectrum Analyzer

1. Measuring range : DC to 1GHz or more

11. Standard Signal Generator (SSG)

1. Maximum frequency : 500MHz or more

2. Output : -133dBm/0.05µV to 7dBm/501mV

3. Output impedance : 50

12. Tracking Generator

1. Center frequency : 50kHz to 500MHz

2. Frequency deviation : ±35MHz

3. Output voltage : 100mV or more

13. Dummy Load

1. 8 , 3W or more

14. AF Generator (AG)

1. Frequency range : 100Hz to 100kHz

2. Output : 0.5mV to 1V

15. Distortion Meter

1. Measurable frequency : 30Hz to 100kHz

2. Input level : 50mV to 10Vrms

or more

TK-3107

ADJUSTMENT / 调整

Antenna Microphone

PTT switch LED indicator Monitor key Power switch Channel switch SP/MIC JAC

• Use a non-conductive rod such as a Ceramic rod for adjustment (especially of trimmers and coils). Kenwood order No. A-0910 (0.4X0.9mm) Kenwood order No. A-1310 (0.4X1.3mm)

• To protect the SSG,do not send out signals while adjusting the receiving unit.

• The indicated SSG output levels are for maximum output.

Speaker

Adjustment point

Foil Side View

L212

TC201

TC203

TC202

TC2

R222

TP2

TC1

TC201: TC202: Band-pass filter waveform adjustment TC203:

}

L212: AF level adjustment TC1: Transmit lock voltage adjustment TC2: Receive lock voltage adjustment TP2: Band-pass filter test point

}

Componennt Side View

SP MIC

MIC

ANT

VR501

VR500

IC403

VR1

ANT: Antenna connector CH: Channel selector SP: Speaker jack MIC: Microphone jack CV: Lock voltage adjustment terminal VR500: DQT waveform adjustment VR501: DEV adjustment

Note : To fine tune the frequency when not

using a computer, adjust VR1.

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